<template>
  <div>
      <!-- 工作日历 -->
      <!-- 年月日 -->
      <el-row type="flex" justify="end">
              <el-select @change="Datechange" size="small" style="width:120px" v-model="currentYear">
                <el-option v-for="item in yearList " :key="item" :label="item" :value="item" />
              </el-select>
              <el-select @change="Datechange" size="small" style="width:120px;margin-left:10px" v-model="currentMonth">
                <el-option v-for="item in 12 " :key="item" :label="item" :value="item" />
              </el-select>
      </el-row>
      <!-- 放置日历组件 -->
      <el-calendar v-model="currentDate">
        <!-- date是单元格的日期 data是一个对象 里面的day属性是当前天数 -->
      <template v-slot:dateCell="{ date, data }" class="content">
        <div class="date-content">
          <span class="text"> {{ data.day | getDay }}</span>
          <span v-if="isWeek(date)" class="rest">休</span>
        </div> 
      </template>
    </el-calendar>
  </div>
</template>

<script>
export default {
  props:{
    startDate:{
      type:Date,
      default:() => new Date() //默认为当前时间  这里写成一个回调函数 因为这里的默认值是一个对象或者数组
    }
  },
  data () {
    return {
      yearList:[],//要遍历的年份的数组
      currentYear:null,//当前的年份
      currentMonth:null,//当前的月份
      currentDate:null,//当前的时间
    }
  },
  filters:{
    getDay(value){
      const day = value.split('-')[2] 
      return day.startsWith('0') ? day.substr(1) : day
    }
  },
  created(){
    this.currentYear = this.startDate.getFullYear()//当前年份
    this.currentMonth = this.startDate.getMonth() + 1//当前月份
    this.yearList = Array.from(Array(11),(v,i) => this.currentYear + i -5 ) //当前年份的前五年和后五年
  },
  methods:{
    Datechange(){
    this.currentDate =  new Date(`${this.currentYear}-${this.currentMonth}-1`)
    },
    isWeek(value){
      return value.getDay() === 6 || value.getDay() === 0
    }
  }
}
</script>

<style  scoped>
 /deep/ .el-calendar-day {
  height:  auto;
 }
 /deep/ .el-calendar-table__row td,/deep/ .el-calendar-table tr td:first-child,  /deep/ .el-calendar-table__row td.prev{
  border:none;
 }
.date-content {
  height: 40px;
  text-align: center;
  line-height: 40px;
  font-size: 14px;
}
.date-content .rest {
  color: #fff;
  border-radius: 50%;
  background: rgb(250, 124, 77);
  width: 20px;
  height: 20px;
  line-height: 20px;
  display: inline-block;
  font-size: 12px;
  margin-left: 10px;
}
.date-content .text{
  width: 20px;
  height: 20px;
  line-height: 20px;
 display: inline-block;

}
 /deep/ .el-calendar-table td.is-selected .text{
   background: #409eff;
   color: #fff;
   border-radius: 50%;
 }
 /deep/ .el-calendar__header {
   display: none
 }
</style>
